Hawaii Thermal Travel Tumbler Coffee Mug Excellence Calm This Thermal Tumbler is great for hot or cold beverages. It has a double-wall cavity to maintain the temperature of any beverage and a locking lid to prevent spills. This useful and stylish Hawaii souvenir is perfect for taking your favorite drink with you wherever you go! Measures approximately 7-1/2" H, 2-1/2" base and 3-1/4" lid. Holds 16 oz.